Accounts Receivable, Net (Tables)

12 Months Ended

Dec. 31, 2025

Accounts Receivable, after Allowance for Credit Loss, Current [Abstract]

Summary of Accounts Receivable, Net

Accounts receivable, net, consisted of the following:


		As of December 31,
		2024				2025
		RMB				RMB				US$
Accounts receivable			161,520				222,929				31,879
Less: expected credit losses provision			(103,340	)			(111,259	)			(15,910	)

Accounts receivable, net			58,180				111,670				15,969

Summary of Movements in Allowance for Doubtful Accounts

The movements in the expected credit losses were:


		For the year ended December 31,
		2023				2024				2025
		RMB				RMB				RMB				US$
Beginning balance prior to ASC 326			(115,380	)
Adoption of ASC Topic 326			(1,153	)

Balance at the beginning of the years			(116,533	)			(131,826	)			(103,340	)			(14,778	)
Current period provision			(16,170	)			(12,725	)			(11,294	)			(1,615	)
Reversal			1,773				6,039				3,356				480
Provision converted from unbilled revenue			(1,269	)			—				—				—
Write-off			—				35,180				—				—
Acquisition of non-controlling interests			390				—				—				—
Others			(17	)			(8	)			19				3

Balance at the end of the years			(131,826	)			(103,340	)			(111,259	)			(15,910	)